st,stm32-romem.yaml (1535B)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/nvmem/st,stm32-romem.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: STMicroelectronics STM32 Factory-programmed data bindings 8 9description: | 10 This represents STM32 Factory-programmed read only non-volatile area: locked 11 flash, OTP, read-only HW regs... This contains various information such as: 12 analog calibration data for temperature sensor (e.g. TS_CAL1, TS_CAL2), 13 internal vref (VREFIN_CAL), unique device ID... 14 15maintainers: 16 - Fabrice Gasnier <fabrice.gasnier@foss.st.com> 17 18allOf: 19 - $ref: "nvmem.yaml#" 20 21properties: 22 compatible: 23 enum: 24 - st,stm32f4-otp 25 - st,stm32mp15-bsec 26 27 reg: 28 maxItems: 1 29 30patternProperties: 31 "^.*@[0-9a-f]+$": 32 type: object 33 34 properties: 35 st,non-secure-otp: 36 description: | 37 This property explicits a factory programmed area that both secure 38 and non-secure worlds can access. It is needed when, by default, the 39 related area can only be reached by the secure world. 40 type: boolean 41 42required: 43 - "#address-cells" 44 - "#size-cells" 45 - compatible 46 - reg 47 48unevaluatedProperties: false 49 50examples: 51 - | 52 efuse@1fff7800 { 53 compatible = "st,stm32f4-otp"; 54 reg = <0x1fff7800 0x400>; 55 #address-cells = <1>; 56 #size-cells = <1>; 57 58 calib@22c { 59 reg = <0x22c 0x2>; 60 }; 61 62 mac_addr@e4 { 63 reg = <0xe4 0x8>; 64 st,non-secure-otp; 65 }; 66 }; 67 68...